| Value | Category | Cases | |
|---|---|---|---|
| -8 | 3597 |
61.3%
|
|
| 0 | 4 |
0.1%
|
|
| 1 | 1231 |
21%
|
|
| 2 | 1040 |
17.7%
|
|
| Sysmiss | 324 |